Answer:

Explanation:
As per the formula of thermal expansion we know that

so here we will have



so here change in the length of the rod is given as




The river that flows through Rome is the Tiber.
The mass of the man is 63 kilograms
There is it written down properly. Its hard to type this stuff in here
The short answer (and the long one for that matter) is physical properties of chemicals. If you are being marked by a machine, likely the answer is going to be physical properties.